Nick works part-time at a bookstore. His pay varies directly with the number of hours worked. In one week, he earned $120 for 8 hours of work.

a) Define two variables for this relation.

b) Describe the rate of change in words.

c) Determine an equation to represent the relation:

d) Use the equation to determine how many hours Nick must work to earn $345

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samuelonum1 samuelonum1 · Answer 1 · 2021-07-22T02:15:51+02:00

Answer:

23 hoiurs

Step-by-step explanation:

Given data

a. The two variables are

1. Number of hours worked

2. The amount earned

b. The rate is given as

=120/8

=$15 per hour

c. The equation is given as

rate=Amount earned/ number of hours worked

15= 345/hours

make hours subject of the formula we have

hours= 345/15

hours= 23 hours

Hence he must work for 23 hours

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